单词:amidine group
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VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember. Today we tell about nine musicians who were recently inducted into the Rock and Roll Hall of Fame. The Hall of Fame is part of the Ro
A: Were you able to get a look at the suspect's face? B: Yes. I know exactly what he looks like. A: I must ask you to pick him out of a line-up. B: That won't be a problem. A: Look closely at the five men in this line-up. B: I am looking. A: Do you s
A: Did you get a good look at the suspect? B: I got a great look at him. A: Do you think you could pick him out of a line-up? B: I can do that. A: Could you please look at the five men in this line-up? B: All right. A: Do you recognize the suspect? B
Research Group Has High Hopes for New TB Vaccine Physicians have long known that the so-called BCG vaccine for tuberculosis does not provide the same level of protection against the disease in all parts of the world. Some also say the vaccine's effec
A: Could I pay for my parking ticket? B: I need to see your ticket. Do you have it? A: Here's my ticket right here. B: I'm going to need to see your ID. A: I don't have it. B: You can't pay your fine without your ID. A: I don't understand why I can't
Hi, I'm Mike and this is my daily routine. I get up early every day, around 6:30 and I go to the gym for a work-out before I go to work. I usually do aerobic exercise for awhile and then do some weight lifting for maybe half an hour at the gym, then